- Login with your google account then go to https://firebase.google.com/
- Click "Get Started" button
- In the welcome page, add new Project
- Fill the project name, project id, region/locations of your project (choose the nearest to your country), accept the terms and submit the form
- Done
- In firebase console page, click database menu in sidebar
- Choose Realtime Database and create/get started
- Follow the given guides on how to connect to your project
- And read the docs as well: https://firebase.google.com/docs/database/